package com.lcb.demo1;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class RabbitConsumer {

    private static final String QUEUE_NAME = "queue_demo";
    private static final String IP_ADDRESS = "10.0.127.108";
    private static final int PORT = 5672;//RabbitMQ 服务端默认端口号为5672

    public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {

        Address[] addresses = new Address[]{
                new Address(IP_ADDRESS, PORT)
        };
        ConnectionFactory factory = new ConnectionFactory();
        factory.setUsername("guest");
        factory.setPassword("guest");

        Connection connection = factory.newConnection(addresses);
        Channel channel = connection.createChannel();
        channel.basicQos(64);

        Consumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("recv message: " + new String(body));
                try {
                    TimeUnit.SECONDS.sleep(1);

                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                channel.basicAck(envelope.getDeliveryTag(), false);
            }
        };

        channel.basicConsume(QUEUE_NAME, consumer);

        //等待回调函数执行完毕之后,关闭资源
        TimeUnit.SECONDS.sleep(2);
        channel.close();
        connection.close();
    }
}
